h1,h2,h3,h4,p,ul,li{
    margin: 0;
    padding: 0;
}
ul{
    list-style: none;
}
a{
    text-decoration: none;
}
img{
    vertical-align: middle;
}
body{
    font-size: 14px;
    font-family: '微软雅黑', 'Arial Narrow', Arial, sans-serif;
    background: #f5f5f5;
}
/* 高度配置 */
html,body,#app{
    height: 100%;
    margin:0px;
}